A Boeing 777, one of the world's most reliable types of airliners, is missing, and no one knows why. Was it a bomb? Mechanical failure? A hijacking gone awry? Pilots and others in the aviation community are deeply disturbed by the mystery surrounding Malaysia Airlines Flight 370.

It might not have the drama of a Sen. Ted Cruz overnight talk-a-thon, but some Senate Democrats hope their all-night stunt draws similar attention to their issue that has been stalled in Congress: climate change.

Usually, a ride on an elevator involves pushing a button and zoning out until the ding for your floor. Pay attention on these lifts, though, or risk missing out on one of the most thrilling rides of your life (even if it only lasts 30 seconds). From zooming up an inside-out London landmark to climbing to a scenic overlook in rural China to an ascent up an American icon, these vertical feats of engineering are about way more than getting from point A to point B.